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1 | /* hash.h - IRC network state database | |
2 | * Copyright 2000-2004 srvx Development Team | |
3 | * | |
4 | * This file is part of x3. | |
5 | * | |
6 | * x3 is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with srvx; if not, write to the Free Software Foundation, | |
18 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
19 | */ | |
20 | ||
21 | #ifndef HASH_H | |
22 | #define HASH_H | |
23 | ||
24 | #include "common.h" | |
25 | #include "dict.h" | |
26 | #include "policer.h" | |
27 | ||
28 | #define MODE_CHANOP 0x00000001 /* +o USER */ | |
29 | #define MODE_VOICE 0x00000002 /* +v USER */ | |
30 | #define MODE_PRIVATE 0x00000004 /* +p */ | |
31 | #define MODE_SECRET 0x00000008 /* +s */ | |
32 | #define MODE_MODERATED 0x00000010 /* +m */ | |
33 | #define MODE_TOPICLIMIT 0x00000020 /* +t */ | |
34 | #define MODE_INVITEONLY 0x00000040 /* +i */ | |
35 | #define MODE_NOPRIVMSGS 0x00000080 /* +n */ | |
36 | #define MODE_KEY 0x00000100 /* +k KEY */ | |
37 | #define MODE_BAN 0x00000200 /* +b BAN */ | |
38 | #define MODE_LIMIT 0x00000400 /* +l LIMIT */ | |
39 | #define MODE_DELAYJOINS 0x00000800 /* +D */ | |
40 | #define MODE_REGONLY 0x00001000 /* ircu +r */ | |
41 | #define MODE_NOCOLORS 0x00002000 /* +c */ | |
42 | #define MODE_NOCTCPS 0x00004000 /* +C */ | |
43 | #define MODE_REGISTERED 0x00008000 /* Bahamut +r */ | |
44 | #define MODE_STRIPCOLOR 0x00010000 /* +S Strip mirc color codes */ | |
45 | #define MODE_MODUNREG 0x00020000 /* +M mod unregister */ | |
46 | #define MODE_NONOTICE 0x00040000 /* +N no notices */ | |
47 | #define MODE_OPERSONLY 0x00080000 /* +O Opers only */ | |
48 | #define MODE_NOQUITMSGS 0x00100000 /* +Q suppress messages from quit notices */ | |
49 | #define MODE_NOAMSG 0x00200000 /* +T no multi-target messages */ | |
50 | #define MODE_SSLONLY 0x00400000 /* +Z ssl only */ | |
51 | #define MODE_HALFOP 0x00800000 /* +h USER */ | |
52 | #define MODE_EXEMPT 0x01000000 /* +e exempt */ | |
53 | #define MODE_HIDEMODE 0x02000000 /* +L hide modes */ | |
54 | #define MODE_APASS 0x04000000 /* +A adminpass */ | |
55 | #define MODE_UPASS 0x08000000 /* +U userpass */ | |
56 | #define MODE_REMOVE 0x80000000 | |
57 | ||
58 | #define FLAGS_OPER 0x0001 /* Operator +O */ | |
59 | #define FLAGS_LOCOP 0x0002 /* Local operator +o */ | |
60 | #define FLAGS_INVISIBLE 0x0004 /* invisible +i */ | |
61 | #define FLAGS_WALLOP 0x0008 /* receives wallops +w */ | |
62 | #define FLAGS_SERVNOTICE 0x0010 /* receives server notices +s */ | |
63 | #define FLAGS_DEAF 0x0020 /* deaf +d */ | |
64 | #define FLAGS_SERVICE 0x0040 /* cannot be kicked, killed or deoped +k */ | |
65 | #define FLAGS_GLOBAL 0x0080 /* receives global messages +g */ | |
66 | ||
67 | // sethost - reed/apples | |
68 | // #define FLAGS_HELPER 0x0100 /* (network?) helper +h */ | |
69 | #define FLAGS_SETHOST 0x0100 /* sethost +h */ | |
70 | ||
71 | #define FLAGS_PERSISTENT 0x0200 /* for reserved nicks, this isn't just one-shot */ | |
72 | #define FLAGS_GAGGED 0x0400 /* for gagged users */ | |
73 | #define FLAGS_AWAY 0x0800 /* for away users */ | |
74 | #define FLAGS_STAMPED 0x1000 /* for users who have been stamped */ | |
75 | #define FLAGS_HIDDEN_HOST 0x2000 /* user's host is masked by their account */ | |
76 | #define FLAGS_REGNICK 0x4000 /* user owns their current nick */ | |
77 | #define FLAGS_REGISTERING 0x8000 /* user has issued account register command, is waiting for email cookie */ | |
78 | ||
79 | #define IsOper(x) ((x)->modes & FLAGS_OPER) | |
80 | #define IsService(x) ((x)->modes & FLAGS_SERVICE) | |
81 | #define IsDeaf(x) ((x)->modes & FLAGS_DEAF) | |
82 | #define IsInvisible(x) ((x)->modes & FLAGS_INVISIBLE) | |
83 | #define IsGlobal(x) ((x)->modes & FLAGS_GLOBAL) | |
84 | #define IsWallOp(x) ((x)->modes & FLAGS_WALLOP) | |
85 | #define IsServNotice(x) ((x)->modes & FLAGS_SERVNOTICE) | |
86 | ||
87 | // sethost - reed/apples | |
88 | // #define IsHelperIrcu(x) ((x)->modes & FLAGS_HELPER) | |
89 | #define IsSetHost(x) ((x)->modes & FLAGS_SETHOST) | |
90 | ||
91 | #define IsGagged(x) ((x)->modes & FLAGS_GAGGED) | |
92 | #define IsPersistent(x) ((x)->modes & FLAGS_PERSISTENT) | |
93 | #define IsAway(x) ((x)->modes & FLAGS_AWAY) | |
94 | #define IsStamped(x) ((x)->modes & FLAGS_STAMPED) | |
95 | #define IsHiddenHost(x) ((x)->modes & FLAGS_HIDDEN_HOST) | |
96 | #define IsReggedNick(x) ((x)->modes & FLAGS_REGNICK) | |
97 | #define IsRegistering(x) ((x)->modes & FLAGS_REGISTERING) | |
98 | #define IsFakeHost(x) ((x)->fakehost[0] != '\0') | |
99 | #define IsLocal(x) ((x)->uplink == self) | |
100 | ||
101 | #define NICKLEN 30 | |
102 | #define USERLEN 10 | |
103 | #define HOSTLEN 63 | |
104 | #define SOCKIPLEN 45 | |
105 | #define ACCOUNTLEN 15 | |
106 | #define REALLEN 50 | |
107 | #define TOPICLEN 250 | |
108 | #define CHANNELLEN 200 | |
109 | #define MAXOPLEVEL 999 | |
110 | ||
111 | #define MAXMODEPARAMS 6 | |
112 | #define MAXBANS 128 | |
113 | #define MAXEXEMPTS 45 | |
114 | ||
115 | /* IDLEN is 6 because it takes 5.33 Base64 digits to store 32 bytes. */ | |
116 | #define IDLEN 6 | |
117 | ||
118 | /** Operator privileges. */ | |
119 | enum Priv { | |
120 | PRIV_CHAN_LIMIT, /**< no channel limit on oper */ | |
121 | PRIV_MODE_LCHAN, /**< oper can mode local chans */ | |
122 | PRIV_WALK_LCHAN, /**< oper can walk through local modes */ | |
123 | PRIV_DEOP_LCHAN, /**< no deop oper on local chans */ | |
124 | PRIV_SHOW_INVIS, /**< show local invisible users */ | |
125 | PRIV_SHOW_ALL_INVIS, /**< show all invisible users */ | |
126 | PRIV_UNLIMIT_QUERY, /**< unlimit who queries */ | |
127 | PRIV_KILL, /**< oper can KILL */ | |
128 | PRIV_LOCAL_KILL, /**< oper can local KILL */ | |
129 | PRIV_REHASH, /**< oper can REHASH */ | |
130 | PRIV_REMOTEREHASH, /**< oper can remote REHASH */ | |
131 | PRIV_RESTART, /**< oper can RESTART */ | |
132 | PRIV_DIE, /**< oper can DIE */ | |
133 | PRIV_GLINE, /**< oper can GLINE */ | |
134 | PRIV_LOCAL_GLINE, /**< oper can local GLINE */ | |
135 | PRIV_SHUN, /**< oper can SHUN */ | |
136 | PRIV_LOCAL_SHUN, /**< oper can local SHUN */ | |
137 | PRIV_JUPE, /**< oper can JUPE */ | |
138 | PRIV_LOCAL_JUPE, /**< oper can local JUPE */ | |
139 | PRIV_OPMODE, /**< oper can OP/CLEARMODE */ | |
140 | PRIV_LOCAL_OPMODE, /**< oper can local OP/CLEARMODE */ | |
141 | PRIV_SET, /**< oper can SET */ | |
142 | PRIV_WHOX, /**< oper can use /who x */ | |
143 | PRIV_BADCHAN, /**< oper can BADCHAN */ | |
144 | PRIV_LOCAL_BADCHAN, /**< oper can local BADCHAN */ | |
145 | PRIV_SEE_CHAN, /**< oper can see in secret chans */ | |
146 | PRIV_PROPAGATE, /**< propagate oper status */ | |
147 | PRIV_DISPLAY, /**< "Is an oper" displayed */ | |
148 | PRIV_SEE_OPERS, /**< display hidden opers */ | |
149 | PRIV_WIDE_GLINE, /**< oper can set wider G-lines */ | |
150 | PRIV_WIDE_SHUN, /**< oper can set wider G-lines */ | |
151 | PRIV_LIST_CHAN, /**< oper can list secret channels */ | |
152 | PRIV_FORCE_OPMODE, /**< can hack modes on quarantined channels */ | |
153 | PRIV_FORCE_LOCAL_OPMODE, /**< can hack modes on quarantined local channels */ | |
154 | PRIV_CHECK, /**< oper can use CHECK */ | |
155 | PRIV_SEE_SECRET_CHAN, /**< oper can see +s channels in whois */ | |
156 | PRIV_LAST_PRIV /**< number of privileges */ | |
157 | }; | |
158 | ||
159 | /** Number of bits */ | |
160 | #define _PRIV_NBITS (8 * sizeof(unsigned long)) | |
161 | /** Element number for priv \a priv. */ | |
162 | #define _PRIV_IDX(priv) ((priv) / _PRIV_NBITS) | |
163 | /** Element bit for priv \a priv. */ | |
164 | #define _PRIV_BIT(priv) (1UL << ((priv) % _PRIV_NBITS)) | |
165 | ||
166 | /** Operator privileges. */ | |
167 | struct Privs { | |
168 | unsigned long priv_mask[(PRIV_LAST_PRIV + _PRIV_NBITS - 1) / _PRIV_NBITS]; | |
169 | }; | |
170 | ||
171 | DECLARE_LIST(userList, struct userNode*); | |
172 | DECLARE_LIST(modeList, struct modeNode*); | |
173 | DECLARE_LIST(banList, struct banNode*); | |
174 | DECLARE_LIST(exemptList, struct exemptNode*); | |
175 | DECLARE_LIST(channelList, struct chanNode*); | |
176 | DECLARE_LIST(serverList, struct server*); | |
177 | ||
178 | struct userNode { | |
179 | char *nick; /* Unique name of the client, nick or host */ | |
180 | char ident[USERLEN + 1]; /* Per-host identification for user */ | |
181 | char info[REALLEN + 1]; /* Free form additional client information */ | |
182 | char hostname[HOSTLEN + 1]; /* DNS name or IP address */ | |
183 | char fakehost[HOSTLEN + 1]; /* Assigned fake host */ | |
184 | char crypthost[HOSTLEN + 30]; /* Crypted hostname */ | |
185 | char cryptip[SOCKIPLEN + 30]; /* Crypted IP */ | |
186 | #ifdef WITH_PROTOCOL_P10 | |
187 | char numeric[COMBO_NUMERIC_LEN+1]; | |
188 | unsigned int num_local : 18; | |
189 | #endif | |
190 | unsigned int loc; /* Is user connecting via LOC? */ | |
191 | unsigned int no_notice; /* Does the users client not see notices? */ | |
192 | unsigned int dead : 1; /* Is user waiting to be recycled? */ | |
193 | irc_in_addr_t ip; /* User's IP address */ | |
194 | long modes; /* user flags +isw etc... */ | |
195 | ||
196 | // sethost - reed/apples | |
197 | char sethost[USERLEN + HOSTLEN + 2]; /* 1 for '\0' and 1 for @ = 2 */ | |
198 | ||
199 | /* GeoIP Data */ | |
200 | char *country_name; | |
201 | ||
202 | /* GeoIP City Data */ | |
203 | char *country_code; | |
204 | char *city; | |
205 | char *region; | |
206 | char *postal_code; | |
207 | float latitude; | |
208 | float longitude; | |
209 | int dma_code; | |
210 | int area_code; | |
211 | ||
212 | char *version_reply; /* only filled in if a version query was triggered */ | |
213 | ||
214 | time_t timestamp; /* Time of last nick change */ | |
215 | struct server *uplink; /* Server that user is connected to */ | |
216 | struct modeList channels; /* Vector of channels user is in */ | |
217 | struct Privs privs; | |
218 | ||
219 | /* from nickserv */ | |
220 | struct handle_info *handle_info; | |
221 | struct userNode *next_authed; | |
222 | struct policer auth_policer; | |
223 | }; | |
224 | ||
225 | #define privs(cli) ((cli)->privs) | |
226 | #define PrivSet(pset, priv) ((pset)->priv_mask[_PRIV_IDX(priv)] |= \ | |
227 | _PRIV_BIT(priv)) | |
228 | #define PrivClr(pset, priv) ((pset)->priv_mask[_PRIV_IDX(priv)] &= \ | |
229 | ~(_PRIV_BIT(priv))) | |
230 | #define PrivHas(pset, priv) ((pset)->priv_mask[_PRIV_IDX(priv)] & \ | |
231 | _PRIV_BIT(priv)) | |
232 | ||
233 | #define PRIV_ADD 1 | |
234 | #define PRIV_DEL 0 | |
235 | ||
236 | #define GrantPriv(cli, priv) (PrivSet(&(privs(cli)), priv)) | |
237 | #define RevokePriv(cli, priv) (PrivClr(&(privs(cli)), priv)) | |
238 | #define HasPriv(cli, priv) (PrivHas(&(privs(cli)), priv)) | |
239 | ||
240 | struct chanNode { | |
241 | chan_mode_t modes; | |
242 | unsigned int limit, locks; | |
243 | char key[KEYLEN + 1]; | |
244 | char upass[KEYLEN + 1]; | |
245 | char apass[KEYLEN + 1]; | |
246 | time_t timestamp; /* creation time */ | |
247 | ||
248 | char topic[TOPICLEN + 1]; | |
249 | char topic_nick[NICKLEN + 1]; | |
250 | time_t topic_time; | |
251 | ||
252 | struct modeList members; | |
253 | struct banList banlist; | |
254 | struct exemptList exemptlist; | |
255 | struct policer join_policer; | |
256 | unsigned int join_flooded : 1; | |
257 | unsigned int bad_channel : 1; | |
258 | ||
259 | struct chanData *channel_info; | |
260 | struct channel_help *channel_help; | |
261 | char name[1]; | |
262 | }; | |
263 | ||
264 | struct banNode { | |
265 | char ban[NICKLEN + USERLEN + HOSTLEN + 3]; /* 1 for '\0', 1 for ! and 1 for @ = 3 */ | |
266 | char who[NICKLEN + 1]; /* who set ban */ | |
267 | time_t set; /* time ban was set */ | |
268 | }; | |
269 | ||
270 | struct exemptNode { | |
271 | char exempt[NICKLEN + USERLEN + HOSTLEN + 3]; /* 1 for '\0', 1 for ! and 1 for @ = 3 */ | |
272 | char who[NICKLEN + 1]; /* who set exempt */ | |
273 | time_t set; /* time exempt was set */ | |
274 | }; | |
275 | ||
276 | struct modeNode { | |
277 | struct chanNode *channel; | |
278 | struct userNode *user; | |
279 | long modes; | |
280 | short oplevel; | |
281 | time_t idle_since; | |
282 | }; | |
283 | ||
284 | #define SERVERNAMEMAX 64 | |
285 | #define SERVERDESCRIPTMAX 128 | |
286 | ||
287 | struct server { | |
288 | char name[SERVERNAMEMAX+1]; | |
289 | time_t boot; | |
290 | time_t link; | |
291 | char description[SERVERDESCRIPTMAX+1]; | |
292 | #ifdef WITH_PROTOCOL_P10 | |
293 | char numeric[COMBO_NUMERIC_LEN+1]; | |
294 | unsigned int num_mask; | |
295 | #endif | |
296 | unsigned int hops, clients, max_clients; | |
297 | unsigned int burst : 1, self_burst : 1; | |
298 | struct server *uplink; | |
299 | #ifdef WITH_PROTOCOL_P10 | |
300 | struct userNode **users; /* flat indexed by numeric */ | |
301 | #else | |
302 | dict_t users; /* indexed by nick */ | |
303 | #endif | |
304 | struct serverList children; | |
305 | }; | |
306 | ||
307 | struct waitingConnection { | |
308 | char *server; | |
309 | char *target; | |
310 | }; | |
311 | ||
312 | struct routingPlan { | |
313 | dict_t servers; | |
314 | }; | |
315 | ||
316 | struct routingPlanServer { | |
317 | char *uplink; | |
318 | char *secondaryuplink; | |
319 | unsigned int port; | |
320 | int karma; | |
321 | int offline; | |
322 | }; | |
323 | ||
324 | /* Ported from X2 */ | |
325 | struct routeList { | |
326 | char* server; /* Name of the server */ | |
327 | unsigned int port; /* connection port */ | |
328 | char *uplink; /* Server its linked to (towards us) */ | |
329 | char *secondaryuplink; | |
330 | int outsideness; /* 0 means leaf, 1 second layer, etc. my uplink is highest */ | |
331 | struct routeList *next; | |
332 | }; | |
333 | ||
334 | /* Ported from X2 */ | |
335 | struct route { | |
336 | int count; /* how many servers we have */ | |
337 | int maxdepth; /* biggest outsideness value */ | |
338 | int centered; /* set to TRUE when changerouteUplinks is run */ | |
339 | struct routeList *servers; | |
340 | }; | |
341 | ||
342 | ||
343 | extern struct server *self; | |
344 | extern dict_t channels; | |
345 | extern dict_t clients; | |
346 | extern dict_t servers; | |
347 | extern unsigned int max_clients, invis_clients; | |
348 | extern time_t max_clients_time; | |
349 | extern struct userList curr_opers, curr_helpers; | |
350 | ||
351 | struct server* GetServerH(const char *name); /* using full name */ | |
352 | struct userNode* GetUserH(const char *nick); /* using nick */ | |
353 | struct chanNode* GetChannel(const char *name); | |
354 | struct modeNode* GetUserMode(struct chanNode* channel, struct userNode* user); | |
355 | ||
356 | typedef void (*server_link_func_t) (struct server *server); | |
357 | void reg_server_link_func(server_link_func_t handler); | |
358 | ||
359 | typedef int (*new_user_func_t) (struct userNode *user); | |
360 | void reg_new_user_func(new_user_func_t handler); | |
361 | typedef void (*del_user_func_t) (struct userNode *user, struct userNode *killer, const char *why); | |
362 | void reg_del_user_func(del_user_func_t handler); | |
363 | void unreg_del_user_func(del_user_func_t handler); | |
364 | void ReintroduceUser(struct userNode* user); | |
365 | typedef void (*nick_change_func_t)(struct userNode *user, const char *old_nick); | |
366 | void reg_nick_change_func(nick_change_func_t handler); | |
367 | void NickChange(struct userNode* user, const char *new_nick, int no_announce); | |
368 | ||
369 | typedef void (*account_func_t) (struct userNode *user, const char *stamp); | |
370 | void reg_account_func(account_func_t handler); | |
371 | void call_account_func(struct userNode *user, const char *stamp); | |
372 | void StampUser(struct userNode *user, const char *stamp, time_t timestamp); | |
373 | void assign_fakehost(struct userNode *user, const char *host, int announce); | |
374 | void set_geoip_info(struct userNode *user); | |
375 | ||
376 | typedef void (*new_channel_func_t) (struct chanNode *chan); | |
377 | void reg_new_channel_func(new_channel_func_t handler); | |
378 | typedef int (*join_func_t) (struct modeNode *mNode); | |
379 | void reg_join_func(join_func_t handler); | |
380 | typedef void (*del_channel_func_t) (struct chanNode *chan); | |
381 | void reg_del_channel_func(del_channel_func_t handler); | |
382 | ||
383 | struct chanNode* AddChannel(const char *name, time_t time_, const char *modes, char *banlist, char *exemptlist); | |
384 | void LockChannel(struct chanNode *channel); | |
385 | void UnlockChannel(struct chanNode *channel); | |
386 | ||
387 | struct modeNode* AddChannelUser(struct userNode* user, struct chanNode* channel); | |
388 | ||
389 | typedef void (*part_func_t) (struct modeNode *mn, const char *reason); | |
390 | void reg_part_func(part_func_t handler); | |
391 | void unreg_part_func(part_func_t handler); | |
392 | void DelChannelUser(struct userNode* user, struct chanNode* channel, const char *reason, int deleting); | |
393 | void KickChannelUser(struct userNode* target, struct chanNode* channel, struct userNode *kicker, const char *why); | |
394 | ||
395 | typedef void (*kick_func_t) (struct userNode *kicker, struct userNode *user, struct chanNode *chan); | |
396 | void reg_kick_func(kick_func_t handler); | |
397 | void ChannelUserKicked(struct userNode* kicker, struct userNode* victim, struct chanNode* channel); | |
398 | ||
399 | int ChannelBanExists(struct chanNode *channel, const char *ban); | |
400 | int ChannelExemptExists(struct chanNode *channel, const char *exempt); | |
401 | ||
402 | typedef int (*topic_func_t)(struct userNode *who, struct chanNode *chan, const char *old_topic); | |
403 | void reg_topic_func(topic_func_t handler); | |
404 | void SetChannelTopic(struct chanNode *channel, struct userNode *service, struct userNode *user, const char *topic, int announce); | |
405 | struct userNode *IsInChannel(struct chanNode *channel, struct userNode *user); | |
406 | ||
407 | void init_structs(void); | |
408 | ||
409 | #endif |